Home / 2,289,958.72-3,160,019.68-1,271,297.88

Finding the Fourth Proportional to 2,289,958.72, 3,160,019.68 and 1,271,297.88

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Solution

The fourth proportional to 2,289,958.72, 3,160,019.68 and 1,271,297.88 is: 1,754,322.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289,958.72 : 3,160,019.68 = 1,271,297.88 : x
  2. Step 2: Convert to fraction form
    2,289,958.72/3,160,019.68 = 1,271,297.88/x
  3. Step 3: Cross multiply
    2,289,958.72x = 3,160,019.68 × 1,271,297.88
  4. Step 4: Simplify right side
    2,289,958.72x = 4,017,326,319,942.28
  5. Step 5: Solve for x
    x = 4,017,326,319,942.28/2,289,958.72
  6. Step 6: Final answer
    x = 1,754,322.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.